Nikola Kolyachev vs Velizar Iliev, Sofia 2025, Qualifying R1
Final score
Final
6-3 5-7 10-7Venue and conditions
Tennis Club DianaSofia, BULCourt 1
ClayCourt speed5.1 vs last year94.9Slow
What is court speed?
How much the court helps the server, judged from aces and serve points won and adjusted for who played. 100 is the average ATP tournament court that season.
- Very slow< 92Monte Carlo, Rome
- Slow92–97Roland Garros, Indian Wells
- Average97–103US Open, Dubai
- Fast103–108Wimbledon, Shanghai
- Very fast108+Basel
Challenger and ITF courts usually read lower: partly the venues, partly the balls and conditions at those levels.
How court speed worksConditionsHistorical daily weather
Head to head
1Kolyachev
0Iliev
1 meeting- SofiaQualifying R1 · 3 Aug 2025ClayThis matchNikola KolyachevSets won: 2Set 1: 6Set 2: 5Set 3: 10Velizar IlievSets won: 1Set 1: 3Set 2: 7Set 3: 7
Form and path
Nikola Kolyachev
No recent matches recorded.
Velizar Iliev0–1
Match research
ProEverything that shapes this match: each player’s run-in and travel, records side by side, and results against similar opponents and in similar conditions. Better information, better-informed decisions.
- Run-inEvery match in the last 28 days, rest days and travel between venues.
- Tale of the tapeRecords and serve numbers side by side, filtered by period and surface.
- Record by opponent rankingHow each player does against the top 10, top 50 or any ranking range.
- Similar conditionsResults in comparable heat, humidity, wind and altitude before scheduled matches.